Advertisements
Advertisements
प्रश्न
Why is the `"E"_(("V"^(3+)//"V"^(2+)))^"o"` value for vanadium comparatively low?
Advertisements
उत्तर
The low value for V is related to the stability of V2+ (half-filled t2g level).
APPEARS IN
संबंधित प्रश्न
The `E_((M^(2+)//M))^Θ` value for copper is positive (+0.34 V). What is possibly the reason for this? (Hint: consider its high ΔaHΘ and low ΔhydHΘ)
Which of the d-block elements may not be regarded as the transition elements?
Write down the number of 3d electrons in the following ion:
Cu2+
Indicate how would you expect the five 3d orbitals to be occupied for this hydrated ions (octahedral).
An antifriction alloy made up of antimony with tin and copper, which is extensively used in machine bearings is called _______.
(A) Duralumin
(B) Babbitt metal
(C) Spiegeleisen
(D) Amalgam
An analysis shows that FeO has a non-stoichiometric composition with formula Fe0.95O. Give reason.
Reactivity of transition elements decreases almost regularly from Sc to Cu. Explain.
Catalytic hydrogenation of benzene gives
The spin magnetic moment of cobalt in the compound Hg [Co(SCN)4] is:-
On adding NaOH, solution to the aqueous solution of K2CrO7 the colour of the solution changes from
Account for the following:
Transition metals form alloys.
